A given wire is stretched to double its length. how will its resistance change
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Resistance of a wire is directly proportional to length of the wire.
Therefore,
If other conditions remain constant ,
the resistance will also double as the length doubles.
Therefore,
If other conditions remain constant ,
the resistance will also double as the length doubles.
Answered by
1
Answer:
As the length of wire gets doubled, the cross-sectional area will become half of its previous value because volume of wire remains constant. Hence, we can see that the new resistance is four times the previous resistance.
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